| 摘要 |
PROBLEM TO BE SOLVED: To provide an information processor capable of performing normal job execution even at a hardware failure and a software trouble. SOLUTION: This information processor is provided with at least two computer systems 41 and 46, at least one data input-output device 51 and input- output data buses 45 and 50 connecting the systems 41 and 46 with the device 51, and each of the systems 41 and 46 stores data transferred from the device 51 to the systems 41 and 46 through the buses 45 and 50. Thus, functions as the computer systems are not damaged at a hardware failure or when a trouble takes place in the system 41 or 46 in the case software is developed and remodeled.
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